Container



' July 7, 1936. w RlNGLER 2,046,483

CONTAINER Filed Aug. 5, 1932 2 Sheets-Sheet 1 INVEN TOR ATTORNEY Jul 7, 1936. w A R N LER 2,046,483

CONTAINER Filed Aug. 5, 1952 2 Sheets-Sheet 2 INVENTOR Wat/aw,

ATTORNEY Patented July 7, 1936 UNITED STATES PATENT QFFICE' Claims. (01. 229-45) The object of this invention is to devise a novel construction of a container which can be formed from sheet material, such as, for example, paper.

5 A further object of the invention is to devise a novel blank from which a container can be formed, the container being round at its bottom portion, substantially square intermediate its top and bottom, and having opposite sides conto verging upwardly.

A further object is to provide a novel container which is adapted to have a round bottom secured thereto, the walls of the container from said bottom flaring inwardly and upwardly and pro- 35 vided with a bellows construction at the top in order that the open end of the container can be readily sealed.

In my co-pending application Serial No. 610,666, I have described and broadly claimed go a container having a substantially rectangular contour with a bellows construction at the sides.

My present invention is similar in some respects to that disclosed in my co-pending application aforesaid and is sealed in a similar mang5 ner but instead of being rectangular at the bot tom it is substantially round.

With the above and other objects in view, as will hereinfater more clearly appear, my invention comprehends a novel container.

30 It further comprehends a novel construction of a blank from which the container can be readily formed.

It further comprehends a novel container formed from a folded blank and having a rounded 35 bottom secured thereto, the container tapering upwardly and having a bellows construction at opposite sides so that at the upper portion of the container the side walls flare inwardly. The container is of novel construction and formation go so that in case a liquid is contained therein it will not cause the side walls to be separated from the bottom and the likelihood of the bulging or deformation of the container is eliminated.

Other novel features of construction and ada5 vantage will hereinafter more clearly appear in the detailed description and the appended claims.

For the purpose of illustrating the invention I have shown in the accompanying drawings, a

so typical embodiment of it, which, in practice, will give reliable and satisfactory results. It is, however, to be understood that this embodiment is typical only, and the various instrumentalities of which my invention consists can be variously 55 arranged and organized, and the invention is not limited to the precise arrangement and organization of these instrumentalities as herein set forth.

Figure 1 is a top plan view of a container blank embodying ,my invention. 5

Figure 2 shows the blank seen in Figure folded together.

Figure 3 shows the blank seen in Figure 1 as it appears after the free ends have been glued together.

Figure 4 is a perspective view of the finished container.

Figure 5 is a detail of the upper end of the container showing one manner in which it can be folded.

Figure 6 is a top plan view or portion of the container showing another manner in which the upper portion can be folded.

Figure 7 is a perspective view of the bottom of the container.

Similar numerals of reference indicate corresponding parts.

Referring to the drawings:

In Figure l, I have shown the blank from which the container is formed. It will be seen from this figure that the blank is provided with the scored lines I, 2, 3, and 6 which divide it into the side wall folds 5, 6, l, 8, and 9. The side walls of the outer folds 5 and 9 are cut away as indicated at In as these side walls overlap when the blank is folded and one of them, such as, for example, the side wall 9, has its face coated with adhesive material II. The fold 8 is provided with the scored line l2 and in a similar manner the fold 8 is provided with a scored line I3. The fold 6 on its reverse face is provided with the scored lines It which converge towards each other, and, in a similar manner, the fold 8 is provided on its reverse face with the converging scored lines I5.

A vertically directed scored line l6 passes downwardly from the apex of the scored lines I! and, in a similar manner, a vertically directed scored line I! extends downwardly from the apex of the converging scored lines IS. The scored lines which are shown dotted in Figure 1 are on the reverse face of the blank. A scored line I8 is provided at the lower marginal portion of the blank to provide for the infolding of the blank around the bottom as will hereinafter be explained. The upper marginal portion of the blank is also provided with scored lines certain of which are on one face of the sheet and others of which are on the reverse face of the sheet. One face of the sheet is provided with the scored curved line 2b. The upper edge of the blank is formed by a continuation of straight lines which merge into each other. For example, the fold 5 has the straight upper edge 21!, the fold 6 has the straight upper edge 28, the fold i has the straight upper edge 25, the fold 8 has the straight upper edge 80, and the fold 9 has the straight upper edge 39, so that when the blank is folded together as shown in Figure 3 the upper edge will be rectangular.

t2 designates a cup shaped bottom also preferably formed from sheet material, such as, for example, paper. When the blank seen in Figure 1 is folded upon itself as seen in Figure 2, the folds 5 and 9 overlap each other and are secured together by the adhesive H. The blank is then open and assumes the form seen in Figure 3 at which time it is ready to receive the bottom 32. The bottom is preferably inserted with its flange extending downwardly so that the marginal portion 33 can be folded inwardly'around the annular flange 34 and secured theretoby adhesive or any other desired means.

It will be seen that the finished container has its wall rounded at the lower portion above which the sides taper inwardly and form a substantially rectangular construction. Above this rectangular portion opposite side walls flare inwardly and upwardly. The double walls at the upper end are then deflected laterally and downwardly as at 35 in Figure 4. A fastening clip of any desired nature may be secured thereto if desired or the juxtaposed walls secured together by adhesive or in any other desired manner. Preferably I employ a sealing strip such as disclosed in my co-pending application aforesaid.

It will be apparent from Figures 5 and 6 that the side walls of the container may be folded in different ways, for example, they may be folded as shown at 5 to form a w formation at the upper end of the box contained within the side walls or this W formation consisting of double folds may be folded over the side walls as shown in Figure 6.

In accordance with my present invention the container will stand firmly on a support without rocking. The side walls of the container at the bottom are drawn in to closely engage the bottom member and as they flare upwardly and inwardly at the upper portion the tendency to bulging or deformation when a liquid is placed in the container is practically eliminated.

My present type of container can be employed instead of glass or other bottles for containing liquids or solids and can be economically manufactured. The container is formed from two members, namely, a blank which can be readily cut out and scored in a single operation, and a bottom member secured to the folded blank.

It is very easy to pour liquid from a container of this character without spilling as the side walls, such as, for example, the wall 8 or B, can be bent outwardly to form a pouring spout.

It will be apparent that the containers when in their opened position have a tapered construction from top, to bottom so that they will readily nest one within the other.

In my present invention the blank consists of a substantially rectangular sheet of material with the outer folds cut away as at III in order to reduce the amount of material employed. The folds 5 and 9 provide a substantial area for sealii I aoeaees ing such folds together so that there is no likelihood of the folds becoming separated after they have been once sealed.

Special attention is called to the novel construction of the box when the blank has been folded into box formation. The lower side wall is rounded and when the box is unsealed the side walls form a substantially rectangular construction above the rounded portion. When the box is sealed by bringing its upper ends together a bellows construction is formed at opposite sides and the side walls taper from the rounded portion inwardly and upwardly towards the bellows construction at the upper end. The bellows construction also tapers inwardly from opposite sides so that the sides are drawn inwardly in such a manner that the bulging of the container when containing liquid is prevented. The sides of the corners in order to form the rounded construction at the bottom of the side walls is also drawn inwardly which increases the strength of the box.

In my co-pending application to which I have herelnbefore referred, the container had a substantially rectangular contour at the bottom. I found that in some cases with certain types of liquid there is a tendency for the side wall to separate from the flange of the bottom closure and in my present invention this tendency is entirely overcome.

It will now be apparent that I have devised a new and useful container which embodies the features of advantage enumerated as desirable in the statement of the invention and the above description, and while I have, in the present instance, shown and described a. preferred embodiment thereof which will give in practice satisfactory and reliable results, it is to be understood that this embodiment is susceptible of modification in various particulars without departing from the spirit or scope of the invention or sacrificing any of its advantages.

Having thus described my invention what I claim as new and desire to secure by Letters Patent, is:

1. A container comprising a single blank of sheet material having spaced weakened lines extending from the top to the bottom of the blank with a pair of 'such lines converging towards the bottom of the blank so that when folded on such lines the blank forms sides rec tangular and tapering in width from top to bottom, a circular bottom around which the bottom side walls are secured to form a rounded portion at the bottom of the container, opposite side walls above the rounded portion having weakened lines converging upwardly to form an infolding bellows construction when such side walls are bent inwardly to close the upper end of the container, said bellows construction when infolded causing opposite side walls above the rounded portion to converge upwardly.

2. A container comprising a single blank of sheet material having spaced weakened lines extending from the top to the bottom of the blank with a pair of such lines converging towards the bottom of the blank so that when folded on such lines the blank forms sides rectangular and tapering in width from top to bottom, a circular bottom around which the bottom side walls are secured to form a rounded portion at the bottom of the container, opposite side walls above the rounded portion having weakened lines converging upwardly to form an infolding bellows construction when such side walls are bent inwardly to close the upper end of the conaoeaaes tainer, said bellows construction when infolded causing opposite side walls above the rounded portion to converge upwardly, and said bellows when expanded causing opposite side walls to converge downwardly from the top to the bottom of the container.

3. A container comprising a single blank of sheet material having spaced weakened lines extending from the top to the bottom of the blank with a pair of such lines converging towards the bottom of the blank so that when folded on such lines the blank forms sides rectangular and tapering in width from top to bottom, a circular bottom around which the bottom side walls are secured to form a rounded portion at the bottom of the container, opposite side walls above the rounded portion having weakened lines converging upwardly to form an infolding bellows construction when such side walls are bent inwardly to close the upper end of the container, said bellows construction when infolded causing opposite side walls above the rounded portion to converge upwardly, said container having its top edge straight and its bottom edge circular.

4. A container comprising a single blank of sheet material having spaced weakened lines extending from the top to the bottom of the blank with a pair of such lines converging towards the bottom of the blank so that when folded on such lines the blank forms sides substantially rectangular and tapering in width from top to bottom, a circular bottom around which the sides are drawn and secured to form a rounded portion at the bottom, opposite sides above said rounded portion having triangular shaped weakened lines with their apices at the top portion of the container to form an infolding bellows construction.

5. A container comprising a single blank of sheet material having spaced weakened lines extending from the top to the bottom of the blank with a pair of such lines converging towards the bottom of the blank so that when folded on such lines the blank forms sides substantially rectangular and tapering in width from top to bottom, a circular bottom around which the sides are drawn and secured to form a rounded portion at the bottom, opposite sides above said rounded portion having triangular shaped weakened lines with their apices at the top portion of the container to form an infolding bellows construction, the top edge of said container forming a straight line, and the top marginal portion 25 

